Top 10 Security Envelopes Self Seal #10 – Business Mailing Envelopes

As an Amazon Associate I earn from qualifying purchases.

1. Mead


Mead Security Envelopes Self Seal #10, Windowless Mailing Envelopes, 500 Pack, 4 1/8 x 9.5 inch

Mead #ad - Secured envelopes - make it impossible for prying eyes to read your sensitive information. These self sealing envelopes are created by Mead, a brand known for premium paper products and stationery. With its thick and opaque material, these blank standard #10 envelopes keep contents completely hidden from outsiders.

Made with the mead seal of quality - protect your mail without compromising quality. Seal in seconds - these easy close self stick envelopes keep your mail secure and sealed conveniently. Large bulk box comes with 500 number 10 envelopes size measures 4 1/8 x 9. 5”. Great value for money - make sure you have a reliable and long-lasting supply of this office essential.

There's no need to lick, glue, or tape, These regular Mead envelopes peel and seal with secure adhesive. The solid surface makes it easy to print labels and addresses. Windowless design - best for legal and business mailing, these plain White letter envelopes are tinted without any see-through panels for privacy.
BrandMead #ad
ManufacturerMead #ad
Part NumberAST 2

2. Quality Park


100/Box QUA69117, Quality Park #10 Self-Seal Security Envelopes, Redi-Strip Closure, 4-1/8" x 9-1/2", 24-lb White Wove, Security Tint and Pattern

Quality Park #ad - Save time with self-stick: quality park #10 Security Envelopes have a strong peel & stick closure that helps you fly through mailings in record time.

Store more, longer: reid-strip envelopes have a longer shelf-life thanks to the peel able strip that protects your adhesive from dust. Enhanced security: offer the protection clients deserve; a security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text. Less yuck: we promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required. An excellent value: bright white 24-lb paper makes an impression for business mailings and personal correspondence; get 100 4-1/8 x 9-1/2 inch envelopes.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height2.03 Inches
Length9.63 Inches
Weight0.91 Pounds
Width4.25 Inches
Part NumberQUA69117

3. Aimoh


Size 4-1/8 x 9-1/2 Inches, Premium Security Tint Pattern, Ultra Strong Quick-Seal Closure, EnveGuard, 500 Count 34010, Windowless Design, #10 Security Self-Seal Envelopes, 24 LB, White

Aimoh #ad - Premium security tinted pattern; our #10 envelopes are designed with a premium security printed design to protect contents and sensitive information, perfect for secure business and legal mailing while protecting sensitive information. 10 security tinted self seal envelopes; forget cheap envelopes that easily split and aren't suitable for secure mailing, our #10 envelopes are designed with a premium security tint to protect sensitive information and a super strong SELF-SEAL strip, perfect for larger documents.

Windowless design; envelopes ideal for standard business & legal documents and sensitive correspondence, perfect for quick, manufactured with a windowless front panel for easy printing, labeling or hand-addressing, mass business mailings.

Long lasting supply; large sized envelopes and 500 envelopes in every pack for a long lasting supply, perfect for everyday business correspondence and large mailing tasks! Quick-seal closure; our #10 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing larger documents without splitting.
BrandAimoh #ad
ManufacturerAimoh #ad
Height4.25 Inches
Length11.5 Inches
Weight6.9 Pounds
Width10 Inches
Part Number34010-500

4. Amazon Basics


Peel & Seal Closure, 500-Pack, Amazon Basics #10 Security-Tinted Self-Seal Business Letter Envelopes, White

Amazon Basics #ad - Includes 500 - 10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing. Peel-and-seal closure; no moisture needed. Interior security tint for privacy; securely send checks, invoices, or other confidential documents. Product dimensions: 4-1/8 x 9-1/2 inches. 10 business letter envelopes for home or office.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZP5

5. Top Flight


Strip & Seal, Top Flight PSTF10NWT #10 Envelopes, White Paper, 500 Count, 24 lb, Security Tinted

Top Flight #ad - Strip & seal closure. Heavy 24lb white paper - made in USA. Security tinted. Standard 10 envelope 4 1/8 x 9 1/2. 500 count per box.
BrandTop Flight #ad
ManufacturerTop Flight #ad
Height4.3 Inches
Length11.8 Inches
Weight6 Pounds
Width10 Inches
Part NumberPSTF10NWT

6. Mead


Mead No.10 Envelopes, Press-it Seal-it, Security, 45 Per Box 75026, 4-1/8" X 9-1/2", White

Mead #ad - White envelopes with self adhesive seal, Security lining for privacy. Mead press it seal it number 10 security envelopes, 45 envelopes per box. Size: 4 to 1/8 inches x 9 to 1/2 inches.
BrandMead #ad
ManufacturerACCO Brands #ad
Height4.3 Inches
Length9.7 Inches
Weight0.02 Pounds
Width1.5 Inches
Part Number75026

7. Aimoh


EnveGuard, 24 LB, White, 100 Count 34100, #10 Security Tinted Self-Seal Envelopes, No Window, Size 4-1/8 X 9-1/2 Inches

Aimoh #ad - Laser and inkjet printer compatible; premium construction measuring 4-1/8 x 9-1/2 inches, fully compatible with most inkjet and laser printers for quick and easy addressing! Click the Orange Button to order now. Enveguard technology; in today's world where our health, the team of engineers and developers at Aimoh have researched and developed the EnveGuard Technology and Approval systems, privacy and security is so much threatened, at Aimoh we approve only the highest quality products, produced from the best and safest material on earth.

Super security tint pattern; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing. Quick-seal closure; our #10 envelopes are designed with an ultra strong self-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing for any letter sized and larger documents without splitting.

100 envelope pack; these envelopes are manufactured with a window-less front panel for the perfect choice for small businesses, home offices and everyday use, #10 Security Envelopes are provided in a 100-envelope pack.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.2 Inches
Length9.7 Inches
Width4.3 Inches
Part Number34100

8. Splendoress


Printer Friendly, 500 Self Seal Security Mailing Envelopes, #10 White Letter Businesses Envelopes -500 Peel and Seal Tinted Windowless # 10 Envelope, Self Stick Bulk Envelops

Splendoress #ad - No need to lick the flap anymore - Very convenient. Self seal envelope- just peel and stick 4 1/8 in. X 9 1/2 in size envelop. Can't see through envelopes - Security printing pattern on the inside prevents from seeing what inside. Long lasting supply - 500 count per box. Windowless envelope. High quality & bulk pricing - 24lbs high quality envelopes at a fraction of the price.
BrandSplendoress #ad
ManufacturerSplendoress #ad
Height4.25 Inches
Length11.5 Inches
Weight6.06 Pounds
Width10 Inches
Part Number#10 Security Envelopes Windowless
Model#10 Security Envelopes Windowless

9. Blue Summit Supplies


Security Tinted with Printer Friendly Design, 100 No. 10 Self Seal Security Envelopes, Designed for Secure Mailing, Number 10 Size 4 1/8 x 9 ½ Inch 100 Pack

Blue Summit Supplies #ad - Perfect for secure everyday home and business mailing. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks. Provides complete mail security.

Easily print name or logo on our low profile envelope design. Easily store and quickly use our 24 LB white wove envelopes with our 100 count value pack with small package design. Our printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming. No need to worry about others seeing your documents, our dark black security tint completely hides you mail.

Just peel and seal to create a strong lasting seal without licking or moistening. Our security #10 Windowless Envelopes perfectly fit standard 8. 5’’ x 11’’ paper sizes and other large documents. Easily fits invoices, letters, checks, and more. These envelopes are designed for both Laser and Inkjet Printers.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight0.01 Pounds
Part NumberBSS-92588-015

10. Aimoh


24 LB, 500 Count 35210, #10 Single Left Window Self-Seal Security Tinted Envelopes, Size 4-1/8 X 9-1/2 Inches

Aimoh #ad - Easy read single window; perfect for bulk mailing, each envelope has a premium, perfect for displaying addresses or business information, positioned 7/8" from the left and 1/2" from the bottom of the envelope, easy read 4-1/2 X 1-1/8 poly-window, extra large, making slow printing and hand addressing a thing of the past.

Security tint pattern; mailing secure documents? our #10 security Envelopes are designed with a security wave pattern on the inside to protect contents, data and numbers from being easily read, unlike other cheap envelopes. 10 single window security envelopes; forget cheap, our #10 Security Envelopes are premium quality, thin envelopes that allow contents to be easily read, ultra secure envelopes suitable for everyday business and legal mailing while protecting sensitive contents and information.

Long lasting supply; ideal for everyday business use, perfect for invoices, each measuring 4-1/8 x 9-1/2 inches, each box provides 500 envelopes for a long lasting supply, statements and many more business uses! Click the Orange Button to order now. Ultra strong quick seal; manufactured with ultra strong, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, quick seal adhesive, perfect for mailing larger, thicker documents.
BrandAimoh #ad
Part NumberFBA_35210